[IncrementalService] getLoadingProgress (v1)

This is to unblock Launcher's work on progress ring. Currently it uses
incfs getFilledBlocks(). Will switch to the new incfs progress reporting
API once it is ready.

Test: unit test
Test: adb shell dumpsys incremental
BUG: 165799231
Change-Id: Icd68124806454f888826294da36f109bca9771ac
diff --git a/services/incremental/BinderIncrementalService.h b/services/incremental/BinderIncrementalService.h
index 1015494..8b40350 100644
--- a/services/incremental/BinderIncrementalService.h
+++ b/services/incremental/BinderIncrementalService.h
@@ -66,8 +66,7 @@
                             int32_t destStorageId, const std::string& destPath,
                             int32_t* _aidl_return) final;
     binder::Status unlink(int32_t storageId, const std::string& path, int32_t* _aidl_return) final;
-    binder::Status isFileRangeLoaded(int32_t storageId, const std::string& path, int64_t start,
-                                     int64_t end, bool* _aidl_return) final;
+    binder::Status getLoadingProgress(int32_t storageId, float* _aidl_return) final;
     binder::Status getMetadataByPath(int32_t storageId, const std::string& path,
                                      std::vector<uint8_t>* _aidl_return) final;
     binder::Status getMetadataById(int32_t storageId, const std::vector<uint8_t>& id,